1112111105 has 24 divisors (see below), whose sum is σ = 1554210792. Its totient is φ = 761709312.

The previous prime is 1112111087. The next prime is 1112111123. The reversal of 1112111105 is 5011112111.

It is an interprime number because it is at equal distance from previous prime (1112111087) and next prime (1112111123).

It can be written as a sum of positive squares in 4 ways, for example, as 107474689 + 1004636416 = 10367^2 + 31696^2 .

It is not a de Polignac number, because 1112111105 - 2⁶ = 1112111041 is a prime.

It is a super-2 number, since 2×1112111105² = 2473582219728642050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112111105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265709 + ... + 269861.

It is an arithmetic number, because the mean of its divisors is an integer number (64758783).

Almost surely, 2^1112111105 is an apocalyptic number.

It is an amenable number.

1112111105 is a deficient number, since it is larger than the sum of its proper divisors (442099687).

1112111105 is a wasteful number, since it uses less digits than its factorization.

1112111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5258 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 14.

The square root of 1112111105 is about 33348.3298682258. The cubic root of 1112111105 is about 1036.0547968338.

Adding to 1112111105 its reverse (5011112111), we get a palindrome (6123223216).

The spelling of 1112111105 in words is "one billion, one hundred twelve million, one hundred eleven thousand, one hundred five".